Roger Federer of Switzerland celebrates defeating Nikolay Davydenko of Russia in their men's singles match at the Australian Open tennis tournament in Melbourne

 
Roger Federer of Switzerland celebrates defeating Nikolay Davydenko of Russia in their men
Roger Federer of Switzerland celebrates defeating Nikolay Davydenko of Russia in their men's singles match at the Australian Open tennis tournament in Melbourne January 17, 2013. REUTERS/Damir Sagolj